Year 4
2016/2017
Semester 2
Science
Practice Paper
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Y4 S2 Science PP
Dangers to Living Things
Understand different environments and how changes can affect living things
(eg fire and flood)
Name six environments that you have learned about.
1._________________________________________________________
2._________________________________________________________
3._________________________________________________________
4._________________________________________________________
5._________________________________________________________
6._________________________________________________________
Name two changes (disasters) that affect the forest environment.
1._________________________________________________________
2._________________________________________________________
Name five natural changes (disasters) in the environment.
1._________________________________________________________
2._________________________________________________________
3._________________________________________________________
4._________________________________________________________
5._________________________________________________________
Name five man made (disasters) in the environment.
1._________________________________________________________
2._________________________________________________________
3._________________________________________________________
4._________________________________________________________
5._________________________________________________________
Name 2 ways we can reduce disaster in the forest environment.
1._______________________________________________________
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Y4 S2 Science PP
2._______________________________________________________
Complete this table with one answer for each space
Disaster
Effect on living things
Reduce the impact
Forest fire
Ex. Animals and plants
in the forest die.
Make safe campfires in open areas.
Be safe using fireworks in forest areas.
flood
drought
Oil spill
deforestation
Construct and interpret a variety of food chains (include predator, prey,
producer, consumer)
Use the food chain words to fill in the blanks.
Consumer
Producer Predator Prey
a. A plant is always a ____________as it makes its own food.
b. An animal is called a ____________ because they cannot make their own
food but needs to eat plants and other animals.
c. A _____________ is an animal that kills and eats animals.
d. A _____________ is the food of the predator.
Sort the food chain in the correct order. Identify the producer, predator and
prey.
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Y4 S2 Science PP
Answer the questions from the following food chain.
Name the producer in this food chain? ____________
Name the primary consumer in this food chain: _________
Name the secondary consumer in this food chain: __________
Name one predator in this food chain? _____________
Name the prey of the animal you wrote in question 4: _____
Complete these food chains with the suitable animals. Name the animals.
Draw arrows where needed.
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Y4 S2 Science PP
In the box below draw a food chain from the ocean.
Name the plant and animals.
Name the producer in your food chain: __________________
Name the consumers in your food chain: _________________________
Name one predator in your food chain:__________
Name the prey of this predator:___________
In the box below draw a food chain from the forest.
Name the plant and animals.
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Y4 S2 Science PP
Name the producer in your food chain: __________________
Name the consumers in your food chain: _________________________
Name one predator in your food chain:__________
Name the prey of this predator:___________
In the box below draw a food chain from the desert.
Name the plant and animals.
Name the producer in your food chain: __________________
Name the consumers in your food chain: _________________________
Name one predator in your food chain:__________
Name the prey of this predator:___________
In the box below draw a food chain from the wetland.
Name the plant and animals.
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Y4 S2 Science PP
Name the producer in your food chain: __________________
Name the consumers in your food chain: _________________________
Name one predator in your food chain:__________
Name the prey of this predator:___________
In the box below draw a food chain from the polar region.
Name the plant and animals.
Name the producer in your food chain: __________________
Name the consumers in your food chain: _________________________
Name one predator in your food chain:__________
Name the prey of this predator:___________
In the box below draw a food chain from the grassland.
Name the plant and animals.
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Y4 S2 Science PP
Name the producer in your food chain: __________________
Name the consumers in your food chain: _________________________
Name one predator in your food chain:__________
Name the prey of this predator:___________
Identify omnivores, carnivores, herbivores
Draw lines to show which animal is herbivore, carnivore and omnivore.
Look at the animals and what they eat below. Use the information to decide
which ones are herbivores, carnivores and omnivores and place them in the
Venn diagram.
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Y4 S2 Science PP
Black Bear
• Berries and
nuts
• Honey
• Bees and
insects
Shark
• Other
fish
Giraffe
• Leaves
Urban Squirrel
• Fruit and
nuts
• Insects
• Eggs
Robin
• Berries
• Worms
Snail
• Fruit
• Leaves
Jaguar
• Monkeys
• Antelopes
Rabbit
• Vegetables
Cow
• Grass
Herbivores
Carnivores
Omnivores
(only eat plants)
(only eat animals)
(eat plants and
animals)
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Hawk
• Birds
• Snakes
• Rodents
Goat
• Grass
• Flowers
Spider
• Flies
Y4 S2 Science PP
____________________ ____________________ ____________________
____________________ ____________________ ____________________
____________________ ____________________ ____________________
____________________ ____________________ ____________________
____________________ ____________________ ____________________
____________________ ____________________ ____________________
____________________ ____________________ ____________________
Select true or false for the statements below:
1) Carnivores do not eat plants.
TRUE/FALSE
2) Herbivores only eat plants.
TRUE/FALSE
3) Omnivores live only in the jungle.
TRUE/FALSE
4) Zebras are herbivores.
TRUE/FALSE
5) Carnivores are predators.
TRUE/FALSE
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Y4 S2 Science PP
Use a dictionary to find the meaning of each of the words below:
Word
carnivore
herbivore
omnivore
Food chain
predator
prey
consumer
producer
Meaning
Human Nutrition
Understand and describe the functions of the digestive system
Match the correct body organ with its function.
Oesophagus
Large intestine
Mouth
Liver
Rectum
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a large organ which makes bile that
neutralises stomach acid.
the long tube between the mouth
and the stomach.
the lower part of the large intestine,
where faeces (poo) is stored before it
leaves the body.
the first part of the digestive system,
where food enters the body.
the shorter wider tube that follows
the small intestine.
Y4 S2 Science PP
a sack-like, muscular organ that is
attached to the oesophagus. When
food enters the stomach, it is
churned with lots of acid.
Stomach
.
the long, thin winding tube that food
goes through after it leaves the
stomach
Small intestine
Label the parts of the digestive system using the words in the box under the
diagram.
Large intestine
Small intestine
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mouth
liver
stomach
rectum
oesophagus
Y4 S2 Science PP
Fill in the gaps and then find the words in the word-search below.
1.When your __________ is empty, you feel hungry.
2.If you smell good __________, your brain reminds you that you’re hungry.
3.You take a __________, __________ the food up and swallow it.
4.__________, or spit, makes the food soft and gooey.
5.Once you __________ your food, the process of digestion starts.
6.In the stomach, the food mixes with __________ in your stomach. These
juices are__________.
7.They dissolve the food and __________ it down.
8.The food continues its journey through the small and large __________.
9.The gall __________ and __________ send juices to the intestines to help
with digestion.
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Y4 S2 Science PP
Identify the functions of different teeth in humans and animals, and how to
keep teeth healthy. (molars, incisors and canines)
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Y4 S2 Science PP
Name what type of long teeth these animals have? Why do they have them?
Long teeth type: __________________
Why?
__________________________________________
__________________________________________
Name what type of long teeth these animals have? Why do they have them?
Long teeth type: ___________________
Why?
__________________________________________
__________________________________________
________
Find the words from the box to complete these sentences about good habits
for healthy teeth.
Clean
sugary
food
holes
Dentist
once
flossing
brush
twice
1. A ___________ is a doctor for your teeth.
2. You should _______________ your teeth with toothpaste at least
__________a day.
3. _____________ snacks can cause cavities. Cavities are small __________
in your teeth that cause a lot of pain.
4. A dentist can __________________ your teeth.
5. ______________ gets rid of the ___________ that get stuck between
your teeth.
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Y4 S2 Science PP
List 3 good things to do and 3 bad things not to do to keep your teeth
healthy.
The good things to do are:
1._______________________________________________________________2.
2._______________________________________________________________
3.________________________________________________________________
The bad things are:
1.________________________________________________________________
Electricity
2.________________________________________________________________
3.________________________________________________________________
2.________________________________________________________________
Electricity
3.________________________________________________________________
__
Identify electrical appliances (mains and battery powered)
Which items work with mains electricity and which items work with battery
power? Classify the items according to the table below.
Iron
radio
Works with mains electricity
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i pad
torch
wall clock
Works with battery power
Y4 S2 Science PP
Name 3 appliances that work with mains electricity and 3 appliances that
work with battery power?
Mains-powered appliances
Battery-powered appliances
Name 5 electrical appliances you can see in this picture below.
1.______________________________
2. _____________________________
3. _____________________________
4. _____________________________
5. ____________________________
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Y4 S2 Science PP
Are these appliances powered by mains or battery? ______________
Understand and construct different series circuits (bulb, switch and battery
only)
Write the 4 main parts of a complete simple circuit.
1._____________ 2. ______________ 3. _____________4. ____________
Match each part of the circuit with its correct function.
Switch
A glass ball with a thin wire that glows
Wire
A source of electrical energy
Battery
this controls the electricity letting it
go through or stopping it.
Bulb
A thin strand of metal through which
electricity flows.
Name all the parts of this simple circuit.
__________________________________________________________
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Y4 S2 Science PP
Match the part of the circuit to the symbol.
Switch
battery
Bulb
Wire
In the box below, draw a circuit that works, add labels to describe what you
have drawn.
Underline the correct answer.
Ahmed made a circuit with a bulb, battery and switch.
a) What must Ahmed do first to make the bulb light up?
1. Remove the battery 2. Put the switch on 3. remove the bulb
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Y4 S2 Science PP
b) What is the power source of this circuit?
c) The bulb
2. The piece of wire 3. The battery
4. The switch
d) What helps electricity flow though the circuit?
1. The bulb
2. The piece of wire 3. The battery
4. The switch
Look at this circuit diagram.
a) What are the components in this circuit?
______________________________________
b) Will electricity flow through this circuit? Put a
Yes
No
c) What is missing from this circuit to make it work?
______________
Will this circuit work? Write yes or no and the reason.
Yes/ No Reason: __________________________________________
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Y4 S2 Science PP
Yes/ No
Reason: ____________________________
Conductors and insulators
Look at the six words below. Write them in the correct insulator or conductor
column.
Insulator
Pencil
12. ring
metal ruler -
Conductor
orange -
glass - metal Coke can -
silver
Look at this circuit.
a) Does this circuit work? Underline the answer.
Yes/ No
Why?: ______________________________________________
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Y4 S2 Science PP
b) To make the circuit work, what must we attach? Circle the correct
word.
A Conductor / an insulator
c) Circle the items below that will make the bulb light up if I put it in the
gap
1)
2)
eraser
3)
key
4)
wire
pencil
Fill in the blanks with words from the box.
a. A___________ produces light in a circuit.
Plastic
b. The plug base is made from ____________ for safety
bulb
Insulator
from electric shocks.
c. A ____________in the circuit means it will not work.
metal
Gap
d. A plastic cup is an _____________.
conductor
e) A metal spoon is a _______________.
Complete these sentences using the words from the box.
Battery
electrical appliances
wires
electricity
bulb
switch
a) An electrical circuit needs a ______________to provide the power.
b) The ______________ carry the electrical power around the circuit.
c) _________________ travels around a complete circuit.
d) If the circuit is not connected properly, the __________ will not light up.
e) A _______________ can be used to turn the electricity off in a circuit.
f) A toaster and kettle are examples of _________________.
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Y4 S2 Science PP
Look at the diagram of a plug.
Choose the words from the bracket to fill the blanks.
The pin of the plug is made from a _________ (metal/ plastic)
because it is a good ___________( insulator/ conductor) of electricity.
The base of the plug is made from __________ (metal/ plastic)
Because it is a good ____________ (insulator/ conductor) of electricity
and it will save us from getting an electric shock.
The outer covering of the wire is made from ____________ (metal/
plastic) because it keeps us safe from getting electric shock.
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Y4 S2 Science PP